Hamad Periodic Classification 22/06/2020 A. 6th B. 7th C. 2nd and 3rd both D. 5th Related Mcqs: Elements with similar chemical properties appear in the_________________?A. Same family B. Same period C. p block elements D. Right upper corner... Inner transition elements are called _________________?A. Lanthanides B. Actinides C. Rare earth metals D. All... Which element was not known when Mendeleev proposed his classification ?A. Hydrogen B. Sodium C. Copper D. Germanium... Noble gases are named so because they are__________________?A. less reactive B. Zero group elements C. Having completely filled valence shell D. All... Keeping in view the size of atom which order is correct one ?A. Mg > Sr B. Ba > Mg C. Lu > Ce D. C1 > I...
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